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    Physics – Quiz 9

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    Posted:06 Jul, 2025

    πŸ”¬ Physics MCQ Quiz – Test 9

    πŸ“˜ Build Accuracy, Boost Confidence!

    Welcome to the 9th quiz of our Forces Physics series β€” a focused and time-based challenge for students preparing for Pakistan Army, Navy, and Air Force entry tests. This test is tailored to evaluate your knowledge across critical physics topics.

    You’ll face 50 multiple choice questions (MCQs) selected from areas like motion, waves, electricity, laws of thermodynamics, optics, and electromagnetism β€” topics commonly seen in military academic exams.

    🧠 Why Attempt This Test?
    It improves concept clarity, highlights weak spots, and boosts your time management skills. Whether you’re targeting ISSB or initial selection tests, this quiz helps sharpen your preparation.

    πŸ“Š Quiz Overview:
    βœ… Total Questions: 50
    ⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)
    🎯 Passing Criteria: 50%
    πŸ” Purpose: Evaluate key physics concepts and test accuracy under time pressure.

    πŸ‘‰ Attempt now and level up your exam readiness!

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    Physics Test 9

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    1 / 50

    The photoelectric effect was explained by ?

    2 / 50

    A negatively doped diode is impure with:

    3 / 50

    kilowatt-hour (kWh) is equal to ?

    4 / 50

    If a circle is divided into 360 parts, then each part is equal to?

    5 / 50

    Pressure increases and velocity decreases according to ?

    6 / 50

    The orbit of a satellite is independent of the _?

    7 / 50

    magnifying power for astronomical telescope= ?

    8 / 50

    an operational amplifier, also known as ________?

    9 / 50

    Wire of Resistance R is cut into two parts then effect on resistivity?

    10 / 50

    If the temperature of the sink decreases, the efficiency of the Carnot engine?

    11 / 50

    Total internal reflection is the phenomenon used in ?

    12 / 50

    In an adiabatic process, entropy remains ?

    13 / 50

    A convex lens is used in a ?

    14 / 50

    constructive and destructive interference can create bands of ?

    15 / 50

    Which one does not work according to resonance ?

    16 / 50

    if the temperature of the sink is decreased, the efficiency of a Carnot engine ?

    17 / 50

    The silver band in the resistor color code indicates a tolerance of _?

    18 / 50

    What is the resistance of a 60-watt light bulb that operates at 120 volts?

    19 / 50

    The formula for Stokes' law is as follows ?

    20 / 50

    One radian is equal to ?

    21 / 50

    In the Young double slit experiment, if white light is used then what happens?

    22 / 50

    When an electron moves perpendicular to magnetic field
    lines, the magnetic force on the electron tends to deflect it in a?

    23 / 50

    The condition of resonance is reached when the ________?

    24 / 50

    The tyre burst is an example of an?

    25 / 50

    The unit of angular acceleration is ?

    26 / 50

    The SI unit of Planck's constant is the?

    27 / 50

    Lenz's law is in accordance with the___?

    28 / 50

    The speed of sound in air at 20 Β°C (68 Β°F) is_______?

    29 / 50

    If a person throws a ball upward while standing on a moving train, the ball will ?

    30 / 50

    The dark and bright pattern formed in the Young's double-slit experiment is known as interference?

    31 / 50

    The formula for the number of fringes (N) observed in a Michelson interferometer is:

    32 / 50

    A valent species is a chemical species that has a ?

    33 / 50

    The proportionality constant between current and potential difference is ?

    34 / 50

    Ohm's law obeys only for?

    35 / 50

    It is normal for a person's blood pressure to decrease when they ?

    36 / 50

    When a small amount of resistance is connected in parallel to a galvanometer, the resultant circuit behaves as ?

    37 / 50

    The vertical component of projectile motion decreases over time, due to the acceleration due?

    38 / 50

    The efficiency of a diesel engine is typically between __?

    39 / 50

    Alpha particles are __?

    40 / 50

    an electric heater with a voltage of 220V and a power of 440W has a resistance of ?

    41 / 50

    The gate that represents the equation X=A+B is the ?

    42 / 50

    When a wave travels from a denser medium to a rarer
    medium, the wavelength increases and the speed of the wave
    increases. The phase angle of the wave?

    43 / 50

    The SI unit of heat flux is _________?

    44 / 50

    A bulb does not work according to?

    45 / 50

    Same atomic number but different atomic mass?

    46 / 50

    Torque and energy have the ?

    47 / 50

    Light is an __________?

    48 / 50

    Planck's constant, which is equal to ?

    49 / 50

    One kilowatt hour of work is equal to ?

    50 / 50

    The equation of electric flux is?

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